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Standard Compliance

  •  IEEE 802.3 10Base-T
  • IEEE 802.3u 100Base-T(X) and 100Base-FX
  • IEEE 802.3ab 1000Base-T IEEE 802.3z 1000Base-X
  • IEEE 802.3x Flow Control
  • IEEE 802.1D Spanning Tree Protocol
  • IEEE 802.1w Rapid Spanning Tree Protocol
  • IEEE 802.1s Multiple Spanning Tree Protocol
  • IEEE 802.1p Class of Service, Priority Protocols
  • IEEE 802.1Q VLAN Tagging
  • IEEE 802.1AD VLAN Q-in-Q
  • IEEE 802.1X Port Authentication
  • IEEE 802.3ad LACP Aggregation
  • IEEE 802.1AB Link Layer Discovery Protocol
  • Processing Type
  • Store and Forward
  • IEEE 802.3x Flow control in full duplex, back-pressure flow control in half duplex
  • Interface  

Fast Ethernet

  • RJ45 Ports: 20 10/100Base-T(X), auto MDI/MDI-X, auto negotiation

Fast Ethernet Comb Ports

  • RJ45 Ports: 4 10/100Base-T(X), auto MDI/MDI-X, auto negotiation
  • SFP Ports: 4 100Base-SFP

Gigabit Ethernet Combo Ports

  • RJ45 Ports: 4 10/100/1000Base-T, auto MDI/MDI-X, auto negotiation
  • SFP Ports: 4 100/1000Base-SFP

Console Port:

  • USB B-Type connector
  • Digital Inputs(DI)
  • 1 set 0~+5V is OFF
  • +11V~30V is ON
  • Max. input current 6mA

Alarm Contacts(DO)

  • 1 relay output, Carry current 2A@24VDC

Reset Button

  • 1set  

Performance and Scalability

  • Switching Capacity: 12.8Gbps, Wired speed, Non-blocking switching fabric
  • Forwarding Rate: 19Mpps
  • MAC Address Table: 16K
  • Packet Buffer Memory: 1.5M bits
  • IGMP Multicast Groups: 256 Max. VLANs: 255
  • Quality of Service: 8 priority queues per port
  • DHCP Server: 1,275 IP addresses
  • Jumbo Frame: 9,216 Bytes 



  • STP/RSTP/MSTP, LACP, QoS, IGMP Snooping v1/v2/v3, IGMP Query v1/v2, GARP, GMRP, VLAN, VLAN Q-in-Q, VLAN unaware, SSH, DNS, HTTP, HTTPS, RADIUS, TACACS+, SNMP v1/v2c/v3, SNMP Traps, TFTP, RMON, LLDP, BootP Server/Client, DHCP Server/Client, DHCP L2 Relay, DHCP Relay Option 82, DHCP Option 66/67, RARP, Telnet, Syslog, SMTP, SNTP Server/Client, IPv6, MODBUS TCP, EtherNet/IP


  • MAC filtering, HTTPS, SSH, 802.1x, TACACS+, SNMP v3
  • Configuration: Web Browser, Cisco-like Telnet CLI , USB Local Console, SNMP, MODBUS TCP, IEXplorer utility


  • MIB II, Bridge MIB, SNMP MIB, Ether-like MIB, Q-Bridge/P-Bridge MIB, IF MIB, Traceroute MIB, TCP MIB, UDP MIB, IP MIB, RMON Group 1,2,3,9, Delta Private MIB

Power Requirements

Input Voltage:

LV: 2 sets 36 to 72VDC (Tested @ 36 to 60VDC)

HV: 1 set 85 to 264VAC / 88 to 370VDC (Tested @ 100 to 240VAC), redundant terminal block input

Input Current: LV 0.75A; HV 1.2A

Overload Current Protection: Present, max. input current 8A

Reverse Polarity Protection: Present(VDC input)


Housing: IP40 metal case

Dimensions: 44 mm(H) x 440 mm(W) x 257 mm (D)

Weight: 4950g

Installation: 19 " Rack mounting and wall mounting

Environmental Limits

Operating Temperature: -25℃ to 70℃(-13℉ to 158℉)

Storage Temperature: -40℃ to 85℃(-40℉ to 185℉)

Ambient Relative Humidity: 5% to 95%(non-condensing)


Safety: UL 60950-1, IEC 60950-1, CCC

EMI: FCC 47 CFR Part 15 Subpart B Class A, IEC 61000-6-4, EN 55022(CISPR 22), EN 55032 EMS(IEC 61000-6-2, EN55024): IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11, IEC 61000-4-29

Shock: IEC 60255-21-2

Freefall: IEC 60068-2-32

Vibration: IEC 60068-2-6



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  •  IPv6 address suitable for larger network and neighbor discovery
  • Automatic IP assignment by DHCP/BootP server for easy network construction
  • DHCP relay option 82 for sending DHCP requests with clients’ identities to a DHCP server
  • Port-based DHCP server with IP and MAC binding makes IP maintenance much easier
  • Q-in-Q double VLAN to distinguish multiple VLANs
  • SNMP v1/v2c/v3 facilitates the exchange of management between network devices
  • Supports EtherNet/IP and MODBUS TCP protocols that facilitates the remote management by SCADA and other industrial devices
  • Proprietary ONE RING and ONE CHAIN high end redundancy technology, easy to build multiple ring topology, self-healing recovery time < 20ms
  • STP/RSTP/MSTP for network redundancy further ensures reliability
  • QoS(IEEE 802.1p) and TOS/DSCP for mission-critical applications
  • IEEE 802.1Q VLAN, MAC-based VLAN, IP Subnet-based VLAN, VLAN isolation and GVRP optimize network strategy
  • Enhanced network security with IEEE 802.1X, TACACS+, SSH, HTTPS and SNMP v3
  • IEEE 802.3ad port trunking in parallel to increase the link bandwidth
  • SNTP (simple network time protocol) for network clock synchronization
  • Broadcast/Multicast / Unknown Unicast storm control improves throughput problems
  • Loopback-Detection to avoid broadcast loops, and shutdown the corresponding ports automatically
  • Cable diagnostic provides the mechanism to detect and report potential cabling issues
  • Intelligent Access Control List(ACL)
  • MAC addresses locking function per port blocks unauthorized access
  • USB console interface for easy connection with laptops
  • IGMP Snooping and GMVP prunes multicast traffic
  • RMON groups 1,2,3,9(history, statistics, alarms and events) for enhanced flow management and analysis
  • CPU utilization displays the amount of works the CPU handles
  • Port mirroring for Many-to-One ports online troubleshooting
  • Versatile system file updates by TFTP, HTTPS or HTTP
  • DDM diagnosis function by SFP fiber module
  • Auto warning by email, DI, relay, Syslog & SNMP trap
  • Compatible with various industrial protocols, including EtherNet/IP, Profinet, CC-LINK IE and DNP 3.0   
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